Home / 14,190.69-21,285.23-4,329.19

Finding the Fourth Proportional to 14,190.69, 21,285.23 and 4,329.19

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Solution

The fourth proportional to 14,190.69, 21,285.23 and 4,329.19 is: 6,493.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.69 : 21,285.23 = 4,329.19 : x
  2. Step 2: Convert to fraction form
    14,190.69/21,285.23 = 4,329.19/x
  3. Step 3: Cross multiply
    14,190.69x = 21,285.23 × 4,329.19
  4. Step 4: Simplify right side
    14,190.69x = 92,147,804.86
  5. Step 5: Solve for x
    x = 92,147,804.86/14,190.69
  6. Step 6: Final answer
    x = 6,493.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.